GB2428936B - Wireless communications apparatus - Google Patents

Wireless communications apparatus

Info

Publication number
GB2428936B
GB2428936B GB0515830A GB0515830A GB2428936B GB 2428936 B GB2428936 B GB 2428936B GB 0515830 A GB0515830 A GB 0515830A GB 0515830 A GB0515830 A GB 0515830A GB 2428936 B GB2428936 B GB 2428936B
Authority
GB
United Kingdom
Prior art keywords
wireless communications
communications apparatus
wireless
communications
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0515830A
Other versions
GB0515830D0 (en
GB2428936A (en
Inventor
Magnus Stig Torsten Sandell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB0515830A priority Critical patent/GB2428936B/en
Publication of GB0515830D0 publication Critical patent/GB0515830D0/en
Publication of GB2428936A publication Critical patent/GB2428936A/en
Application granted granted Critical
Publication of GB2428936B publication Critical patent/GB2428936B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04Q7/20—
    • H04Q7/22—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0631—Receiver arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0515830A 2005-08-01 2005-08-01 Wireless communications apparatus Expired - Fee Related GB2428936B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0515830A GB2428936B (en) 2005-08-01 2005-08-01 Wireless communications apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0515830A GB2428936B (en) 2005-08-01 2005-08-01 Wireless communications apparatus

Publications (3)

Publication Number Publication Date
GB0515830D0 GB0515830D0 (en) 2005-09-07
GB2428936A GB2428936A (en) 2007-02-07
GB2428936B true GB2428936B (en) 2008-01-16

Family

ID=34983903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0515830A Expired - Fee Related GB2428936B (en) 2005-08-01 2005-08-01 Wireless communications apparatus

Country Status (1)

Country Link
GB (1) GB2428936B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2330729A (en) * 1997-10-27 1999-04-28 Motorola Ltd Communications System Using Different Transmission Schemes for Uplink and Downlink
EP1137217A1 (en) * 2000-03-20 2001-09-26 Telefonaktiebolaget Lm Ericsson ARQ parameter negociation in a data packet transmission system using link adaptation
GB2390954A (en) * 2002-07-13 2004-01-21 Motorola Inc Method for selecting a wireless transmission scheme
WO2004051872A2 (en) * 2002-12-04 2004-06-17 Interdigital Technology Corporation Detection of channel quality indicator
US20050249159A1 (en) * 2004-05-07 2005-11-10 Santosh Abraham Transmission mode and rate selection for a wireless communication system
US20060057965A1 (en) * 2004-09-13 2006-03-16 Alcatel Estimation of channel quality for wireless communication network

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2330729A (en) * 1997-10-27 1999-04-28 Motorola Ltd Communications System Using Different Transmission Schemes for Uplink and Downlink
EP1137217A1 (en) * 2000-03-20 2001-09-26 Telefonaktiebolaget Lm Ericsson ARQ parameter negociation in a data packet transmission system using link adaptation
GB2390954A (en) * 2002-07-13 2004-01-21 Motorola Inc Method for selecting a wireless transmission scheme
WO2004051872A2 (en) * 2002-12-04 2004-06-17 Interdigital Technology Corporation Detection of channel quality indicator
US20050249159A1 (en) * 2004-05-07 2005-11-10 Santosh Abraham Transmission mode and rate selection for a wireless communication system
US20060057965A1 (en) * 2004-09-13 2006-03-16 Alcatel Estimation of channel quality for wireless communication network

Also Published As

Publication number Publication date
GB0515830D0 (en) 2005-09-07
GB2428936A (en) 2007-02-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130801